C08F 20/20
Of polyhydric alcohols or polyhydric phenols
Official title: of polyhydric alcohols or {polyhydric} phenols {, e.g. 2-hydroxyethyl (meth)acrylate or glycerol mono-(meth)acrylate}
C08F20/20 (Of polyhydric alcohols or polyhydric phenols) appears on 59 US grants and 60 published applications in this corpus.
Search patents in C08F- Granted patents
- 59
- Published applications
- 60
- Assignees
- 62
- Inventors
- 222
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 5 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 5 |
| 2014 | 3 | 1 |
| 2015 | 2 | 0 |
| 2016 | 1 | 0 |
| 2017 | 0 | 2 |
| 2018 | 0 | 6 |
| 2019 | 2 | 7 |
| 2020 | 6 | 8 |
| 2021 | 3 | 5 |
| 2022 | 6 | 9 |
| 2023 | 5 | 7 |
| 2024 | 3 | 2 |
| 2025 | 6 | 2 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Composition, optically anisotropic layer, liquid crystal cell, liquid crystal display device, sensor, lens, switching element, isolator, and camera21 Apr 2026US 12,606,746 B2FUJIFILM Corporation
- Electroactive biocompatible hydrogel structures27 Jan 2026US 12,534,702 B2Northwestern University
- Composition25 Nov 2025US 12,480,025 B2Denka Company Limited
- Polymerization reactor for production of super absorbent polymer28 Oct 2025US 12,454,585 B2LG Chem.Ltd.
- Optically anisotropic layer, optical film, polarizing plate, and image display device17 Jun 2025US 12,332,520 B2FUJIFILM Corporation
- Electroactive biocompatible hydrogel structures7 May 2026US 2026/0125637 A1Northwestern University
- Polymer, preparation method, negative electrode plate, secondary battery, and power consuming apparatus15 Jan 2026US 2026/0018619 A1Contemporary Amperex Technology Co., Limited
- Sulfonium salt monomer, polymer, chemically amplified resist composition, and pattern forming process1 Jan 2026US 2026/0001978 A1Shin-Etsu Chemical Co., Ltd.
- Ester-compound-containing composition and method for producing same, polymerizable composition, and method for producing (meth)acrylic polymer24 Jul 2025US 2025/0236582 A1Mitsubishi Chemical Corporation
- Composition, optically anisotropic layer, liquid crystal cell, liquid crystal display device, sensor, lens, switching element, isolator, and camera6 Feb 2025US 2025/0043183 A1FUJIFILM Corporation
Most cited
By later US patents
- Anaerobic compositions and surface activator therefor56US 3,970,505 ALoctite Corporation · 1976
- Curable compositions40US 3,935,173 AToagosei Chemical Industrial Co. Ltd. · 1976
- Compounds with multiple acrylic radicals, compositions containing them, and uses thereof34US 3,952,032 AUCB, Societe Anonyme · 1976
- Isocyanate-modified acrylic compositions22US 4,082,710 AU C B, Societe Anonyme · 1978
- Polymeric thickeners12US 4,003,870 ADulux Australia Ltd. · 1977